King King Sitric of Northumberland
- 1042
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- 1 King King Sitric of Northumberland [1] d. 1042
- Slani O'Brien b. 0980 d. Yes, date unknown
- 2 King of Dublin, Mann & the Isles King of Dublin, Mann & the Isles Olaf Sitricsson [1.1] b. 1000 d. 1034
- Maelcorcre ingen Dunlaing O'Muirdag b. 1000 d. Yes, date unknown
- 3 Rhanullt O'Olaf [1.1.1] b. 1031 d. Yes, date unknown
- Prince of North Wales Prince of North Wales Cynan ap Iago b. 1004
- 4 King of Gwynedd King of Gwynedd Gruffydd ap Cynan [1.1.1.1] b. 1055 d. 1137
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- 4 King of Gwynedd King of Gwynedd Gruffydd ap Cynan [1.1.1.1]
- 3 Maclmuir ingen Olafr of Dublin [1.1.2] d. 1021
- King King Gilla Patraic mac Donnchada of Osraige d. 0996
- 4 Tadg mac Gilla Patraic of Osraige [1.1.2.1] d. 1027
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- 4 Tadg mac Gilla Patraic of Osraige [1.1.2.1]
- 3 Harold Olafsson [1.1.3]
- 3 Rhanullt O'Olaf [1.1.1]
- 2 King of Dublin, Mann & the Isles King of Dublin, Mann & the Isles Olaf Sitricsson [1.1]